Finding the Fourth Proportional to 1,240,323,436.62, 1,711,108,515.42 and 738,250,697.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,240,323,436.62 : 1,711,108,515.42 = 738,250,697.34 : x
2. Step 2: Convert to fraction form
   1,240,323,436.62/1,711,108,515.42 = 738,250,697.34/x
3. Step 3: Cross multiply
   1,240,323,436.62x = 1,711,108,515.42 × 738,250,697.34
4. Step 4: Simplify right side
   1,240,323,436.62x = 1,263,227,054,733,227,264
5. Step 5: Solve for x
   x = 1,263,227,054,733,227,264/1,240,323,436.62
6. Step 6: Final answer
   x = 1,018,465,843.21